# NTSB SEA72DYG40: Bell 47G2, N6712D, Moses Lake, WA, May 26, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 26, 1972
- Place: Moses Lake, WA · MOSES LAKE, WA
- Location: 47.1279° N, 119.2764° W: Placed by OpenAirDocs: center of Moses Lake, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.1279&lon=-119.2764&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167098
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72DYG40
- Page: https://openairdocs.org/ntsb/SEA72DYG40

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1870  72/5/26  NR.MOSES LAKE,WASH    BELL 47G2           CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1000                    N6712D              PX-  0  0  0  AERIAL APPLICATION        27, 1799 TOTAL HOURS, 165
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MOORE RANCH                 MOORE RANCH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      72
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           80                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   99                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - SIDES
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  1200
          SWATH RUN-HOW FLOWN - DOWNWIND                           PROCEDURE TURNAROUND - SECOND 1/3 TURN
         FIRE AFTER IMPACT
        REMARKS- POSSIBLY ENTERED PWR SETTLING CONDITION AFT DOWN WIND TURN AT LOW AIRSPEED
```

## Aircraft

- Registration: [N6712D](https://openairdocs.org/deregistered/N6712D-2012-09-20), registration cancelled 2012-09-20, S/N 2203, built 1957 (OpenAirDocs)
- Reported make and model: BELL 47G2
- Registry model: [Bell 47G-3B](https://openairdocs.org/model/bell-47g-3b) (registry code 1181026) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport:  Ag Strip

## Other investigations on N6712D (5)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB MIA99LA217](https://openairdocs.org/ntsb/MIA99LA217), Aug 8, 1999: Bell 47G-B3 (N6712D), Selma, AL, substantial damage. Probable cause: The pilot's failure to maintain the proper touchdown point during landing causing the landing skid to become entangled with the edge of the helipad platform and the resultant rollover and main rotor…
- [NTSB SEA79DYP14](https://openairdocs.org/ntsb/SEA79DYP14), Apr 26, 1979: Bell 47G-3B (N6712D), Wenatchee, WA, substantial damage
- [NTSB SEA76DYG74](https://openairdocs.org/ntsb/SEA76DYG74), Sep 15, 1976: Bell 47G-3B (N6712D), Cashmere, WA, substantial damage
- [NTSB SEA69D0183](https://openairdocs.org/ntsb/SEA69D0183), Feb 14, 1969: Bell 47G-2 (N6712D), Chelan, WA, substantial damage
- [NTSB UNK65X0536](https://openairdocs.org/ntsb/UNK65X0536), Nov 2, 1964: Bell 47G2 (N6712D), Yuma, AZ, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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